ASTM E92 Vickers hardness testing device Carburization nitriding decarburization layer HV hardness test

ASTM E92 Vickers hardness testing device Carburization nitriding decarburization layer HV hardness test Application range: 1) Widely used to test the hardness of all kinds of metal materials (steel, nonferrous metals, tinsel, cemented carbide, sheet metal, etc.) 2) surface layer / coating (Carburization, nitriding, decarburization layer, surface hardening layer, galvanized coating, etc.) 3) Glass, chip, ceramic, plastic and rubber, etc. Technical Specification: Model DV-30AT